Vulnerability CVE-2017-14496


Published: 2017-10-02   Modified: 2017-10-03

Description:
Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Dnsmasq < 2.78 Integer Underflow
Multiple
03.10.2017

Type:

CWE-191

(Integer Underflow (Wrap or Wraparound))

Vendor: Debian
Product: Debian linux 
Version:
9.0
7.1
7.0
Vendor: Google
Product: Android 
Version:
8.0
7.1.2
7.1.1
7.0
6.0.1
6.0
5.1.1
5.0.2
4.4.4
Vendor: Redhat
Product: Enterprise linux server 
Version: 7.0;
Product: Enterprise linux desktop 
Version: 7.0;
Product: Enterprise linux workstation 
Version: 7.0;
Vendor: Novell
Product: LEAP 
Version: 42.3; 42.2;
Vendor: Thekelleys
Product: Dnsmasq 
Version: 2.77;
Vendor: Canonical
Product: Ubuntu linux 
Version:
17.04
16.04
14.04

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete

 References:
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
http://nvidia.custhelp.com/app/answers/detail/a_id/4561
http://thekelleys.org.uk/dnsmasq/CHANGELOG
http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=897c113fda0886a28a986cc6ba17bb93bd6cb1c7
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt
http://www.debian.org/security/2017/dsa-3989
http://www.securityfocus.com/bid/101085
http://www.securityfocus.com/bid/101977
http://www.securitytracker.com/id/1039474
http://www.ubuntu.com/usn/USN-3430-1
http://www.ubuntu.com/usn/USN-3430-2
https://access.redhat.com/errata/RHSA-2017:2836
https://access.redhat.com/security/vulnerabilities/3199382
https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf
https://security.gentoo.org/glsa/201710-27
https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
https://source.android.com/security/bulletin/2017-10-01
https://www.exploit-db.com/exploits/42946/
https://www.kb.cert.org/vuls/id/973527
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html
https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html
https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq

Related CVE
CVE-2019-14835
A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descript...
CVE-2019-10197
A flaw was found in samba versions 4.9.x up to 4.9.13, samba 4.10.x up to 4.10.8 and samba 4.11.x up to 4.11.0rc3, when certain parameters were set in the samba configuration file. An unauthenticated attacker could use this flaw to escape the shared ...
CVE-2019-15717
Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.
CVE-2019-11476
An integer overflow in whoopsie before versions 0.2.52.5ubuntu0.1, 0.2.62ubuntu0.1, 0.2.64ubuntu0.1, 0.2.66, results in an out-of-bounds write to a heap allocated buffer when processing large crash dumps. This results in a crash or possible code-exec...
CVE-2019-15133
In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.
CVE-2019-9851
LibreOffice is typically bundled with LibreLogo, a programmable turtle vector graphics script, which can execute arbitrary python commands contained with the document it is launched from. Protection was added, to address CVE-2019-9848, to block calli...
CVE-2019-9850
LibreOffice is typically bundled with LibreLogo, a programmable turtle vector graphics script, which can execute arbitrary python commands contained with the document it is launched from. LibreOffice also has a feature where documents can specify tha...
CVE-2019-13377
The implementations of SAE and EAP-pwd in hostapd and wpa_supplicant 2.x through 2.8 are vulnerable to side-channel attacks as a result of observable timing differences and cache access patterns when Brainpool curves are used. An attacker may be able...

Copyright 2019, cxsecurity.com

 

Back to Top